3 years ago

One third of a number increased by twice the number

Mathematics

1 answer:

ioda3 years ago

8 0

1/3x+3x. Hope that helps! :D

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Students in Mr. Lewis's class are reading a book that has 280 pages. Ramon decides to read 25% of the book each night. How many

Mice21 [21]

Answer:

Ramon will read 70 each night.

Step-by-step explanation:

25% of 280

REMEMBER: "Of" means to multiply

25% x 280

Convert the percent into a decimal

0.25 x 280 = 70

So Ramon will read 70 pages each night.

Hope this helps!!

4 0

3 years ago

A table top is made of circular glass what is the circumference of the table if it has a radius of 21 cm?

Fantom [35]

Answer:

131.95cm

Step-by-step explanation:

Circumference of a circle is 2 × pi × r

= 2 × pi × 21

= 131.95 cm

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Aloiza [94]

The answer is 3) 324

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3 years ago

A rectangular athletic field is twice long as it is wide the perimeter is 90 yard dismention?

Shkiper50 [21]

Ah well this would look like 2(30) + 30 = 90 aka 2L + W = 90

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3 years ago

factorise completely (x plus 2) Square - (x - 4) Square and hence find then value of 1000 Square minus 992 Square

tekilochka [14]

Answer:

$x^2+3x+8$

$15936$

Step-by-step explanation:

$\left(x+2\right)^2-\left(x-4\right)$

$\left(x+2\right)\left(x+2\right)-\left(x-4\right)$

$x^2+2x+2x+4-(x-4)$

$x^2+4x+4-\left(x-4\right)$

$x^2+4x+4-x+4$

$x^2+3x+8$

$1000^2-992^2$

$1000000-984064$

$15936$

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3 years ago